Mastervolt Mass 24/25-2 25 AMP 24V Battery Charger [40020256]
SKU: 40150924361

Mastervolt Mass 24/25-2 25 AMP 24V Battery Charger [40020256]

$611.55 $679.50
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Description

Mastervolt Mass 24/25-2 25 AMP 24V Battery Charger [40020256]Mass 24 25 2 25 AMP 24V Battery Charger The right choice for demanding conditions Mass battery chargers are designed for the toughest conditions for professional, semi professional, and recreational purposes. Even under the most extreme conditions, the products from the Mass series operate faultlessly, giving you round the clock output when necessary. The sustainability and technologies underpinning the Mass concept have long been proven. With an MTBF

Mass 24/25-2 25 AMP 24V Battery Charger

The right choice for demanding conditions

Mass battery chargers are designed for the toughest conditions for professional, semi-professional, and recreational purposes. Even under the most extreme conditions, the products from the Mass series operate faultlessly, giving you round-the-clock output when necessary. The sustainability and technologies underpinning the Mass concept have long been proven. With an MTBF of 180,000 hours at full capacity and 24/7 use, the Mass products are ideal for the toughest tasks and any situation that requires a reliable power supply. 

Powerful selling points:

  • Designed for the most difficult conditions.
  • Lightweight, stainless steel, anodized aluminum casing.
  • Coating of internal components prevents damage from dampness or condensation to ensure a longer lifespan.
  • Insensitive to electromagnetic effects from other devices.
  • Suitable for every type of battery, it also charges flat batteries.
  • It is delivered as standard with a temperature sensor.
  • Full power at temperatures of up to 45 degrees.
  • Load capacities from 80 to 1000 Ah or more.
  • Stable and ripple-free power supply, even without batteries. 
  • The Current Control function prevents the breakdown of fuses when the voltage drops.
  • Parallel switching is possible using multiple battery chargers.
  • Connections in accordance with CE, ABYC A-31 and IEC60945.
  • GMDSS models and panels available.
  • Certified by RRR, RMRS (does not apply to 24/75 120 V).  
  • Certified by DNV GL (only 24/25, 24/50, 24/75, 24/75 (120 V), 24/100 models).

GMDSS Compatible

The Mass series are designed for the most demanding situations. To help you comply with SOLAS regulations, all Mass battery chargers are GMDSS compatible. GMDSS stands for Global Maritime Distress and Safety System and allows users to monitor various alarm functions. GMDSS versions of the Mass 24/25 DNV, Mass 24/50, Mass 24/75, Mass 24/100, and Mass 24/100-3ph are available.

A separate remote panel is available, which is compatible with all Mass battery chargers.

A single front display with GMDSS remote panel is available for:     

  • Mass 24/25-2 DNV
  • Mass 24/50-2
  • Mass 24/75, Mass 24/100, Mass 24/100-3ph

Charging Lithium Ion batteries

Although Lithium Ion batteries are increasingly popular, there can be a lack of clarity when it comes to the charging process. This is not a problem with Mastervolt as the Mastervolt battery chargers communicate directly with the Lithium Ion battery via the integrated MasterBus (or have been adapted to the required charging voltages).

MasterBus compatible

Mass battery chargers can be easily connected to a MasterBus network with only one cable and one connection. You can also choose central, local, or remote monitoring, configuration, and control of your system.

Made tough by smart design 

The certified Mass battery chargers are very strong and designed to withstand heavy vibrations and shocks. Their premium quality components meet the highest possible specifications, while the smart and extra robust mounting adds to the professional end result.

Specifications:

  • Nominal output voltage: 24v
  • Total charge current: 25a at 28.5v
  • Number of battery outlets: 2
  • Charge current second output: 2a
  • Battery bank size: 50-250 ah
  • Nominal input voltage: 230v (180-265v), 50/60 Hz
  • Power supply mode: Yes
  • Galvanic isolation: Yes
  • Display/read-out: LED display

Specifications:

  • Charger Input - Voltage: 230v
  • Charger Output - Amps: 25a
  • Charger Output Voltage: 24v
  • Charging Banks: 2
  • Portable: No
  • Box Dimensions: 8"H x 14"W x 17"L WT: 11.65 lbs
  • UPC: 816882020520

Owner's Manual (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40150924361

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4.9 ★★★★★
Based on 1060 reviews
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Product Reviews
E
Verified Purchase
Ernest Rhee
Houston, US
★★★★★ 5
Headphones holder.
Color: Walnut Wood
Works for me. No problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
A
Verified Purchase
ACorona
Alexandria, US
★★★★★ 5
Good design, but inconsistent photos. I think I got a dull-colored sample.
Color: Walnut Wood
Good, but seeing a lot of inconsistent user photos. Some have extra racks or a little knob for cables. Some mount with the bracket pointing downward (you can reverse it if you want) and with two screws. Also, the block I got is a dull poopy brown instead of the bright & vibrant brown on the photos of the product page & box. Understandable, I suppose-- given the nature of wood. Plastic/metal would certainly be more consistent, but I wanted this to match my black & wood aesthetic of my office. Luck of the draw on the shade of brown that I got, I guess. As nice as this hanger looks and as convenient as it is, the dull color is enough to make me want to just leave my headphones in the desk drawer when not in use. A drawer protects the headphones from dust as well. I don't live at my PC, so having them stowed away when not in use makes more sense for me. I didn't really think this though and got a lemon of a color. Likely a return.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
T
Verified Purchase
Trevor
San Leandro, US
★★★★★ 5
Great for center weight headphones
Color: Walnut Wood
Easy to install for the wall, hang headphones well. Make sure your headphones are center weighted as otherwise they can slide easily
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
T
Verified Purchase
Tamara R.
Lowell, US
★★★★★ 5
Healthy Trail Mix That Fits My Dietary Needs Perfectly
Flavor Name: Healthy Trail Mix, Size: 1.2 Ounce (Pack of 72)
This trail mix has become one of my new favorite snacks, and I’m really impressed with it. The variety of flavors in the pack keeps things interesting, so I never get bored eating the same thing over and over. Each mix has a great balance of nuts, dried fruit, and other goodies, and everything tastes fresh and high quality. I also really appreciate the portion size of each bag. It’s just right for a satisfying snack—enough to keep me full between meals without feeling like I’ve overdone it. The convenient packaging makes it easy to take on the go, whether I’m working, traveling, or just need a quick bite. As someone who is gluten free and dairy free, finding a snack that actually tastes great and still meets my dietary needs can be a challenge. I love that this trail mix fits perfectly into my lifestyle so I don’t have to worry about hidden ingredients. It’s become a staple in my pantry, and I will definitely keep buying it. Five stars!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026
K
Verified Purchase
k. bar.
New York, US
★★★★★ 5
Healthy & Convenient Snack!
Flavor Name: Healthy Trail Mix, Size: 1.2 Ounce (Pack of 24)
A great snack, low sugar. A great substitute for sugary granola or sugary healthy bars. Fresh contents with great protein. Great for hiking, camping, biking, workout and a plethora of other things!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

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